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authorJustin M. Keyes <justinkz@gmail.com>2017-10-22 16:43:43 +0200
committerGitHub <noreply@github.com>2017-10-22 16:43:43 +0200
commite35a66d39670d19d50bf732b3058c12e33c77440 (patch)
tree18d59f4cae60977f1c4deba7d405b9fbc032a3b0 /test
parent42b80c3acfbb0f813a62c382b947d7d0d5477009 (diff)
parenta3134bc4809dff52cc9a635103a48b48d7c2d148 (diff)
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Merge #7430 'Ignore virtcols after 32000'
Diffstat (limited to 'test')
-rw-r--r--test/functional/options/tabstop_spec.lua23
1 files changed, 23 insertions, 0 deletions
diff --git a/test/functional/options/tabstop_spec.lua b/test/functional/options/tabstop_spec.lua
new file mode 100644
index 0000000000..dc3ba38438
--- /dev/null
+++ b/test/functional/options/tabstop_spec.lua
@@ -0,0 +1,23 @@
+local helpers = require('test.functional.helpers')(after_each)
+
+local clear = helpers.clear
+local feed = helpers.feed
+local eq = helpers.eq
+local eval = helpers.eval
+
+describe("'tabstop' option", function()
+ before_each(function()
+ clear()
+ end)
+
+ -- NOTE: Setting 'tabstop' to a big number reproduces crash #2838.
+ -- Disallowing big 'tabstop' would not fix #2838, only hide it.
+ it("tabstop=<big-number> does not crash #2838", function()
+ -- Insert a <Tab> character for 'tabstop' to work with.
+ feed('i<Tab><Esc>')
+ -- Set 'tabstop' to a very high value.
+ -- Use feed(), not command(), to provoke crash.
+ feed(':set tabstop=3000000000<CR>')
+ eq(2, eval("1+1")) -- Still alive?
+ end)
+end)